Home / 8,262-12,393-2,106

Finding the Fourth Proportional to 8,262, 12,393 and 2,106

Calculator

Solution

The fourth proportional to 8,262, 12,393 and 2,106 is: 3,159

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262 : 12,393 = 2,106 : x
  2. Step 2: Convert to fraction form
    8,262/12,393 = 2,106/x
  3. Step 3: Cross multiply
    8,262x = 12,393 × 2,106
  4. Step 4: Simplify right side
    8,262x = 26,099,658
  5. Step 5: Solve for x
    x = 26,099,658/8,262
  6. Step 6: Final answer
    x = 3,159

Related Problems

Find fourth proportional to 4,131, 6,196.50 and 1,053
Half scale
Find fourth proportional to 16,524, 24,786 and 4,212
Double scale
Find fourth proportional to 8,263, 12,394.50 and 2,107
Similar ratio
Find fourth proportional to 12,393, 18,589.50 and 3,159
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.